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LOUDNESS OF SHARPLY (2068 dB/OCTAVE) FILTERED NOISES IN RELATION TO THE FACTORS EXTRACTED FROM THE AUTOCORRELATION FUNCTION

✍ Scribed by S. SATO; T. KITAMURA; Y. ANDO

Publisher: Elsevier Science
Year: 2002
Tongue: English
Weight: 107 KB
Volume: 250
Category: Article
ISSN: 0022-460X
DOI: 10.1006/jsvi.2001.3888

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✦ Synopsis

This study examines the loudness of bandpass noises with center frequencies of 250, 500 and 1000 Hz while changing the autocorrelation function (ACF). The bandwidth of the source signal was altered with a 2068 dB/octave sharp "lter to control the ACF of the source signal. The scale values of loudness were obtained using a paired-comparison method. It is shown that the loudness of the bandpass noises inside the critical band is not constant. The loudness of the pure tone is greater than that of sharply "ltered noises. The loudness of the bandpass noises increases with increasing e!ective duration of the ACF ( C

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